a million votes to barack obama, may have been the difference in the obama campaign meeting hillary clinton. >> i think when she met barack obama and met him because she didn't d an interview with barack obama, she walked out of that interview saying wow, so when he announced that he was going to run for president of the united states, she wanted to do anything she could to help him. she had never done that with anybody before. i think that that made a difference. but i also think barack obama inspired things in people that people hadn't seen in years. >> >> reporter: with the tv show coming to an end and "o" magazine going strong, winfrey set off on a new challenge, creating own, the oprah winfrey network. it got off to a rocky start. >> went through a period thinking, boy, i was number one for 25 years, and now that doesn't matter. there was all of this, you know, we call them haters who were almost celebrating that it was so difficult for her. that was jarring, but that didn't deter it. it just made her think i've got to work harder and she went in and took a close look at well, this doe